[llvm-pdbdump] Fix a few compilation failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230186 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-pdbdump/llvm-pdbdump.cpp

@@ -83,7 +83,6 @@ static void dumpInput(StringRef Path) {
   if (GlobalScope->hasPrivateSymbols())
     outs() << "HasPrivateSymbols ";
 
-  PDB_DumpFlags Flags = PDB_DF_None;
   if (opts::DumpTypes) {
     outs() << "\nDumping types";
     TypeDumper Dumper;